The funny thing is that even in natural language we don't use base 1 or 0 consistently.
For example why is the 1st of January the first day of the month/year, but your first birthday is when you turn one year old, i.e. when your first year of life finishes.
For example why is the 1st of January the first day of the month/year, but your first birthday is when you turn one year old, i.e. when your first year of life finishes.